feat: add timeout handler on FE (#3537)

* ✨ (frontend): Add TimeoutErrorComponent to handle timeout errors in API requests
🔧 (frontend): Add healthCheckTimeout state and setHealthCheckTimeout function to utilityStore for managing timeout errors in API requests

* 📝 (constants.ts): add constants for server health check intervals to improve code readability and maintainability
🐛 (use-get-health.ts): fix refetch interval value to use the newly added constant REFETCH_SERVER_HEALTH_INTERVAL for consistency and easier maintenance

* 📝 (api.tsx): Add utilityStore import to improve code organization
📝 (api.tsx): Add createNewError503 function to handle custom 503 errors
📝 (api.tsx): Add AxiosError import for type checking
📝 (api.tsx): Refactor error handling logic for authentication errors
📝 (use-get-health.ts): Add createNewError503 import for custom 503 errors
📝 (use-get-health.ts): Add AxiosError import for type checking
📝 (use-get-health.ts): Refactor error handling logic for server busy status
📝 (index.tsx): Add AxiosError import for type checking
📝 (index.tsx): Add useEffect and useState imports for state management
📝 (index.tsx): Refactor error handling logic for server status and retries
📝 (utilityStore.ts): Add retriesApiRequest state and setRetriesApiRequest function
📝 (axios-error-503.ts): Create function to generate custom 503 error responses
📝 (index.ts): Add retriesApiRequest state and setRetriesApiRequest function to UtilityStoreType

* 🔧 (utilityStore.ts): remove unused retriesApiRequest and setRetriesApiRequest functions to clean up code and improve maintainability
🔧 (index.ts): remove unused retriesApiRequest and setRetriesApiRequest types to keep type definitions consistent and up to date

* ✨ (nginx.conf): add new health endpoint to proxy_pass requests to the backend server for health checks

* ✨ (langflow): Add support for configuring the number of retries for the health check feature. This change introduces a new option `health_check_max_retries` that can be set via environment variable or command line argument to control the maximum number of retries for the health check process.

* check if value is none

docker/frontend/nginx.conf

@@ -20,6 +20,9 @@ server {
     location /health_check {
         proxy_pass __BACKEND_URL__;
     }
+    location /health {
+        proxy_pass __BACKEND_URL__;
+    }
 
     include /etc/nginx/extra-conf.d/*.conf;
 }